/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package jsp2.examples.simpletag;

import java.io.IOException;
import java.util.ArrayList;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.DynamicAttributes;
import javax.servlet.jsp.tagext.SimpleTagSupport;

/**
 * SimpleTag handler that echoes all its attributes
 */
public class EchoAttributesTag extends SimpleTagSupport implements
		DynamicAttributes {
	private ArrayList keys = new ArrayList();
	private ArrayList values = new ArrayList();

	public void doTag() throws JspException, IOException {
		JspWriter out = getJspContext().getOut();
		for (int i = 0; i < keys.size(); i++) {
			String key = (String) keys.get(i);
			Object value = values.get(i);
			out.println("<li>" + key + " = " + value + "</li>");
		}
	}

	public void setDynamicAttribute(String uri, String localName, Object value)
			throws JspException {
		keys.add(localName);
		values.add(value);
	}
}
